Finding the Third Proportional to 16,621 and 35,545

Step by Step Solution

1. Step 1: Write the proportion equation
   16,621 : 35,545 = 35,545 : x
2. Step 2: Convert to fraction form
   16,621/35,545 = 35,545/x
3. Step 3: Cross multiply
   16,621x = 35,545 × 35,545
4. Step 4: Simplify right side
   16,621x = 1,263,447,025
5. Step 5: Solve for x
   x = 1,263,447,025/16,621
6. Step 6: Final answer
   x = 76,015.10